Charles lowell ridgway



"lniteh toiles @stent @Hirn 'Lenersfatenilvn 'langsame ,my 26,1868.' v

Inrnevnn WATER-einen PonjsTnAMfsoILnns.

tite Srtrmte nient tu in tten ,rttcrs @anni mit uniting inn ni the stun.

.To ALL WnoM 1T MAY-conocen: Beit known that I, UnAnLnsLownLn Rincon ot'Boston, in the county of t Suiioik, and State of Mossa.- chueetts, haveinvented on Improved WnterGnuge for Steam-Boilersvof which the followingis e'full, clear,

and exact description, reference beingzhnd' tothe necompanying drawings,making part of this specification, i

in which v Figur-e1 is n perspective view of my improved water-gauge.Figure 2 is a central vertical section through the same. Figure 3 isa'horizontnl section on the line .t'x' ot' tig. 1. Figure 4, detail .tobe referred to. V o, Y My invention 'relntes to thatcloss ofnateiwgauges for steam-boilers in.nhich the water admitted into a l,glass tubo, for the purpose of ascertaining its height-within theboiler; and my invention consists-in atto-.ching the gauge to n lever orbor, throu'gliwvhieh possthe-inlet-'pnssages which communicate with theboiler, the lever being so pivoted and zii-ranged, that, when vibmted onits centre, it Awill. open or close the inlet-passnges simultoueously,thus affording a simple and ready means ot instantly cuttingoi'f the`connection with tho boilerrin case of the breakage of the gla.ss.tube,lor'when'otherivise required, while the lever mcy be also moved into a. i

position'to close the lower inlet-passuge, admit 4the steam atthe topofthe gauge, and olso'open'o passage at its lower end, when it isdesired to blow oi, for the 'purpose of clearing the gauge of sedimentor dirty n'ater To ensble others skilled in the vnrt to understand onduse my invention, I will proceed to describe the mnn-` i ner in whichl'. have carried it out. v v

` In the said drafwings, A is o metal bor, which is secured to theboiler in ererticsl position by means of the inlet-pipes a @the formerbeing for steam and the latter for witter.Y A p From this bor Aprojectse bolt, c, on which is hung-a. `loner or bor, B, secured in pince by o.nut, tl, on the end of the boit. This levee B slides in`contcct with thebai A at eahend, and carries the gauge which is",

attnched thereto by means of short tubes, e f, which communicate withthe boiler through small passages, g L ij, passing through the lever Bund bar Athe surfaces of which, where they come into Contact witheatchother, being ground, so as to form stenmvtight joints. V i v D is agloss tn be, the ends of which communicate with the holloiiy chambers EF, ond-poss through stutlngboxes G H, filled-with suitable packing, keptin place by"the sereni-nuts or followers I J, which Vnre protided withlnng'es for the support of the guard-rods lc. K ioascrewscnp et thetopof the gnug'e, through which to putin and take out the glass tube D.

When the parts are in the position which they occupy in the drowingsthepassages iqjt and fare brought lopposite to each other, thuseifel-dingo. direct communication from the gouge to` theiuterior oftheboler, steam {heiug edmitted through the upper nlebpossages, g It,and water through the lower ones,

When it is desired to entirely ont oli' the connections with the boiler,it is'simply necesscryfto take' hold of e, handle, L, projecting fromthe top of the leverB, und vibrate it slightly'on its centre, i'uthedirecticn of tlio'- orrow il, until it strikes o. stop-pin, 6.1 Theendsof the lever B are. thus vcaused to slidefnpon'tho bar A, csriryingthe pense-ges g t uwny from those, h j, and thus, by o singlemovement' of' the louer B, the connections with the boiler moy be cutrosimultaneously in the event of theibreching of theglass tubeD, orxhen,front tiny conse nfhntsoever, it may bo found desirable to 'd o so,'thesome movementof the leverB bringing the passage opposite to o. postage,i, in the lower end of the bar A, (seen partiully dotted in g. 4,) sb esto allor? the Wstet;

in the gloss tube l to escupe es retpxiredxl Oo returning'tlie lever toits-originel position, to open the connecl tions with the boiler, thelower end. will strike against im adjustnble stop, which, .when in theposition seen .iu'hleoit lines in iig. i,"nsuresthe passages g It und ijhein'g brought 'exsetlj opposite to euch other, ns required.

When it is desired to blow of?" the gungeyto cloni' it of sediment ordirtyiater, the stop m is moved into the position represented in reel inlig. l., andthe lever E vibratori in o direction contrary to the errowi,until it is nrrested by the stopv This movement of the lever B closesthe lower inlet-passages; and ut the sometime' brings an additionalpassage, u, (lig. 3,) opposite to the passage h, and the passageopposite to a passage, o, in".he bar A, (see fig. 4,) when the steamwill pass int'o the .glass' tube D, and out through thepassage o, asrequired. A d

d It is evident that the bar A might be dispensed with, the lever Bbeing pivoted'on a bolt projecting directly out from the `boiler, andsliding, in contact with disks o1' plates, on the dater ends ofvthe'inlet-pipes a b. I prefer, however', the method iist described. v lv Y.

It will be seen that the cocks ordinarily employed in the inletpipes aredispensed with, and also` the petcock at the bottorn ot` the gauge,vthus simplifying its construction, and reducing the cost ofmanufacture..

What I claim as pay invention, and desire to secure by Letters Patent,isp- The water-gangeD, attached to a lever or baiylB, provided withpassages g z', and arranged, .in relation ,tol the inlet-passagesorftubes through which the water and steam are admitted from theheilen-substantially as described. Y

I also claim the passages h n i o in the barA, and.- lever B, incombination with the adjustalrlcstop mor its equivalent, so arranged asto allow the steam `to be blown through the gauge, substantially as set'forth.

l. also claim the passage z' in the lever B, in `combination with thepassage l in the bar A, andthe stop-pin 6, arranged so as to allow thewater in the glass tube D te escape when the connections with theboilerare uur. oil', substantially as described. l Y l CHARLES LOWELL RIDGWAY.Witnesses: d

l P. E. 'Tnsenmmcaam W. J. CAMBRIDGE.

